diff --git a/TempLate/index.html b/TempLate/index.html
index e12b2102..26c5c244 100644
--- a/TempLate/index.html
+++ b/TempLate/index.html
@@ -203,8 +203,8 @@
       }
     }
   </style>
-  <script type="module" crossorigin src="/GVSite/index-DukTqxut.js"></script>
-  <link rel="stylesheet" crossorigin href="/GVSite/index-YNi1kyHa.css">
+  <script type="module" crossorigin src="/GVSite/index-Dge9ukD7.js"></script>
+  <link rel="stylesheet" crossorigin href="/GVSite/index-B084lgzy.css">
 </head>
 <body>
   <div id="site-loader" role="status" aria-live="polite" aria-label="页面加载中">
diff --git a/backup/www/index.html b/backup/www/index.html
index a48edc07..e12b2102 100644
--- a/backup/www/index.html
+++ b/backup/www/index.html
@@ -5,6 +5,22 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>银河锋锐（GVSDS）</title>
   <link rel="icon" href="https://hb.cdn.gvsds.com/assets/icon/ICON.png">
+  <!-- 主题预置：在首屏绘制前按「本地偏好 → 系统设置」写入主题，避免深浅色闪烁 -->
+  <script>
+    (function () {
+      var mode = 'system'
+      try {
+        var stored = localStorage.getItem('gvsds-theme')
+        if (stored === 'light' || stored === 'dark' || stored === 'system') mode = stored
+      } catch (e) {}
+      var systemDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches
+      var theme = mode === 'system' ? (systemDark ? 'dark' : 'light') : mode
+      var root = document.documentElement
+      root.dataset.themeMode = theme
+      root.classList.toggle('dark', theme === 'dark')
+      root.style.colorScheme = theme
+    })()
+  </script>
   <!-- 首屏加载样式内联：在 JS 包下载/执行前即可渲染，避免白屏 -->
   <style>
     #site-loader {
@@ -154,6 +170,27 @@
       50% { opacity: 1; }
     }
 
+    /* 深色主题下的首屏 loading */
+    html[data-theme-mode="dark"] #site-loader {
+      background: #0b1120;
+    }
+
+    html[data-theme-mode="dark"] #site-loader .gvs-loader-title {
+      color: #dbeafe;
+    }
+
+    html[data-theme-mode="dark"] #site-loader .gvs-loader-subtitle {
+      color: #64748b;
+    }
+
+    html[data-theme-mode="dark"] #site-loader .gvs-loader-track {
+      background: #1e293b;
+    }
+
+    html[data-theme-mode="dark"] #site-loader .gvs-loader-status {
+      color: #64748b;
+    }
+
     @media (prefers-reduced-motion: reduce) {
       #site-loader .gvs-loader-ring,
       #site-loader .gvs-loader-status {
@@ -166,8 +203,8 @@
       }
     }
   </style>
-  <script type="module" crossorigin src="/GVSite/index-CJHoCWqn.js"></script>
-  <link rel="stylesheet" crossorigin href="/GVSite/index-B7Q4hW4H.css">
+  <script type="module" crossorigin src="/GVSite/index-DukTqxut.js"></script>
+  <link rel="stylesheet" crossorigin href="/GVSite/index-YNi1kyHa.css">
 </head>
 <body>
   <div id="site-loader" role="status" aria-live="polite" aria-label="页面加载中">